Post by iron-w;2224189
我的车是Honda Accord97, 前几天到路坚去修muffler, 因muffler的flange坏,老板就在muffler排气管里面放了一个管径小的管焊接了一个flange, 之后排气管是好了,但发动机的澡音大了许多,60KM/H还行,如果加了80KM/H,澡音就大得连收音机都听不见。后我去路坚,老板不承认是排气管管径变小所致。请问,是什么原因导致发动机声音变大?谢谢!
Post by loji;2225425
looks like alternator problem,try to start car, use multimeter to check,should have over 13.5v,after fix this then to check other problem.good luck.